Al-Humedi, Hameeda Oda, and Ahsan Fayez Shoushan. “Numerical Solutions of Mixed Integro-Differential Equations by Least-Squares Method and Laguerre Polynomial”. Earthline Journal of Mathematical Sciences 6, no. 2 (April 24, 2021): 309-323. Accessed April 13, 2025. https://earthlinepublishers.com/index.php/ejms/article/view/331.